Lamp



FIG. 1 is a front perspective of the lamp in accordance with the presently disclosed design;

FIG. 2 is a Front view thereof;

FIG. 3 is Back view thereof;

FIG. 4 is a Left Side view thereof;

FIG. 5 is a Right Side view thereof;

FIG. 6 is a Top view thereof; and,

FIG. 7 is a Bottom view thereof.

The broken lines shown on the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a lamp, as shown and described. 